UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w4h9MPBEgFENm9hO2TT8OafaCbslbjfHnIHOkttZ+4w=' 
WHERE 
  key_id = '238f098ec4321cac48bb99cddf8af753230e718790906f2ae5026203f31a0c9a' 
  AND (
    token = 'w4h9MPBEgFENm9hO2TT8OafaCbslbjfHnIHOkttZ+4w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )